The end is here. Civilization has collapsed. Technology has been forgotten, and History is Hearsay. Slangman is the smartest man in the known world. Together with the mute, spear-wielding Scotsman known as Atlatl and the beautiful yet dim actress, Femme, he must find The Source, a legendary oracle of ancient technology. But the evil archaeologist Dr. Obvious conspires with the sinister mutant bounty hunter Malathion Man to reach The Source first.
For their honeymoon, newlyweds Cliff and Cydney head to the tropical islands of Hawaii. While journeying through the paradisaical countryside the couple encounters Kale and Cleo, two disgruntled hitchhikers and Nick and Gina, two wild but well-meaning spirits who help guide them through the lush jungles.
This psychedelic tour of life after death is seen entirely from the point of view of Oscar (Nathaniel Brown), a young American drug dealer and addict living in Tokyo with his prostitute sister, Linda (Paz de la Huerta).